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Related Experiment Videos

Tremorgenic mycotoxins from Aspergillus caespitosus.

H W Schroeder, R J Cole, H Hein

    Applied Microbiology
    |June 11, 1975
    PubMed
    Summary
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    Two toxic compounds, verruculogen and fumitremorgin B, were identified from Aspergillus caespitosus. These mycotoxins were produced in significant quantities on autoclaved cracked field corn.

    Area of Science:

    • Mycology
    • Food Safety
    • Toxicology

    Background:

    • Aspergillus caespitosus is a fungus known to produce mycotoxins.
    • Tremorgenic mycotoxins can pose risks to animal and human health.
    • Understanding mycotoxin production is crucial for food safety.

    Purpose of the Study:

    • To isolate and identify tremorgenic mycotoxins produced by Aspergillus caespitosus.
    • To quantify the production rates of identified mycotoxins.
    • To assess the potential for mycotoxin contamination in agricultural commodities.

    Main Methods:

    • Isolation of mycotoxins from fungal cultures.
    • Chemical identification of isolated compounds using analytical techniques.
    • Quantification of mycotoxin yields on a specific substrate.

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    Main Results:

    • Two tremorgenic mycotoxins, verruculogen and fumitremorgin B, were successfully isolated.
    • Verruculogen was produced at 172 mg/kg and fumitremorgin B at 325 mg/kg.
    • High production rates were observed on autoclaved cracked field corn.

    Conclusions:

    • Aspergillus caespitosus produces significant levels of verruculogen and fumitremorgin B.
    • Autoclaved cracked field corn is a suitable substrate for high mycotoxin yield.
    • Findings highlight the importance of monitoring for these mycotoxins in feed and food.